Wrench.



No. 768,075. PATENTBD'AUG. 23, l1904, G. PURUGKBR. WRENCH.

APPLICATION FILED 00T. l2, 1903.l

No MODEL.

UNITED 'STATES Patented August 23, 1904.

PATENT OFFICE.

GEORGE PURIICKER, OF MGKEES ROCKS, PENNSYLVANIA.

WRENCH.

SPECIFICATION forming part of Letters Patent No. 768,075, dated August23, 1904.

Application iled October 12, 1903.

To all/whom, it may concern.'

Be it known that I, GEORGE PURUCKER, a citi- Zen of the United States,residing at McKees Rocks, in the county of Allegheny and State ofPennsylvania, have invented a new and vuseful Improvement in Wrenches,of which improvement the following is a specification.

My invention relates to Wrenches; and its object is to provide a Wrenchofrgreat simplicity and ease of adjustment.

My invention consists of certain novel .combinations of parts andarrangements of details hereinafter fully described and claimed.

In the accompanying drawings vlike characters refer to like parts inboth views.

Figure 1 is a side view of my device. Eig. 2 is a longitudinal sectionthrough my device, showing the movable jaw locked in place.

The numeral 1 indicates the blade of my device, to which is attached afixed jaw 2. The blade 1v extends intoa hollow handle 3 and is attachedthereto by any desired means.

At 4 is shown a movable jaw held to slide on the blade 1 by a clamp 5and provided with an inclined extension 6, having a milled orfinely-toothed face 8. In suitable bearings 9 is held a' cam 10, havinga milled face 11 to correspond with the milled face 8. A thumbpiece 12extends from said cam in a convenient position to rotate the same. Aspring 13 normally causes the cam to contact with the face 8 and preventmotion thereof,v and from this the cam may be rotated by thethumbsalaire. 176,616. I(No model.)

In a wrench, a blade, a lixedhead attached y thereto, a hollow handleattached to said blade, a movable head sliding on said bladean inclinedextension formed on said head extending along said blade into saidhollow handle, a milled face on said extension, a milled-face cam heldabove the said extension to contact with the same and lock the movablejaw, a spring normally holding said cam in contact with said extensionand a thumb-piece on said cam to release the same, substantially as andfor the purpose set forth.

In testimony whereof I have hereunto signed my name 1n the presence oftwo subscribing witnesses.

GEORGE PURUCKEE.

In presence of- M. GILLIS,

G. A.`ENDE.

